Controlling-valve.



7 .77017 0r w Jaw F. W. SLAW.

CONTROLLING VALVE.

APPLICATION FILED AUG-3.1916.

1,256,602. I Patented Feb. 19, 1918.-

4 SHEETS-SHEET I.

INVENTOR F. W. SLAW.

CONTROLLING VALVE.

APPLICATION HLED AUG.3. 191s.

' Patented Feb. 19, 1918.

4 SHEETSSHEET 2 WITNESS- F. W. SLAWQ CONTROLLING VALVE.

APPLICATION FILED AUG-3. 1-916.

1 ,%56,6@2u Patented Feb. 19, 1918.

' 4 SHEETSSHEET 3.

WITNESSES INVENTOR M F. W. SLAW.

CONTROLLING VALVE.

v APPLICATION 1111515 AUG.3. 1916 1,256,6GQ. I

Patented Feb. 19,1918.

4 SHEETS SHEET 4.

. n em as" ierrcn.

FRANK W. SLAW, 0F STEUBENVILLE, OHIO ASSIGNOR OF ONE-HALF TO AUGUST H.

SLATER, OF STEUBENVILLE, OHIO.

CONTROLLING-VALVE.

Specification of Letters Patent.

Patented Feb. 119, 1918.

Application filed August 3, 1916. Serial No. 112,933.

To all whom it may concern:

Be it known that I, FRANK W. SLAW, a citizen of the United States ofAmerica, residin at Steubenville, county of J etferson, and tate ofOhio, have invented certain new and useful Improvements inControlling-Valves, of which the following is a specification.

This invention relates to controlling valves for use in connection withhydraulic operated elements, and has for its object to provide a valveof such class, in a manner as hereinafter set forth, with means forcontrolling the operation of an element or a plurality of elements, suchas one or more elevators, vertically movable doors on furnaces, tablerolls in rolling mills, and for any other purposes wherein it is foundapplicable.

Further objects of the invention are to provide a. controlling valve forthe purpose set forth, which is simple in its construction andarrangement, strong, durable, efficient and convenient in its use,readily set up and comparatively inexpensive to manufacture.

With the foregoing and other objects in view the invention consists ofthe novel construction, combination and arrangement of parts, ashereinafter more specifically described and illustrated in theaccompanying drawings, wherein is shown an embodiment of the invention,but it is to be understood that changes, variations and modificationscan be resorted to which come within the scope of the claims hereuntoappended.

In the drawings wherein like reference characters denote correspondingparts throughout the several views:'

Figure 1 is a s1de elevation of a controlling valve in accordance withthis invention.

2 is a longitudinal sectional'view. Fig. 3 is a top plan. Fig. & is asection on line TV-TV, lFlg. 2.

Fig. 5 is a sectionon line VV, Fig. 2.

Fig. 6 is a section on line VT-J71, Fig. 2.

Fig. 7 is a sectional plan.

Fig. 8 is a longitudinal sectional View, broken away, looking in thedirection opposite to that of ljig. 2.

Fig. 9 is avertical sectional v1ew, broken away, on line TVTV, Fig. 2,with the valve plug shifted to a different position to that shown inFig, 1.

Fig. 10 is a vertical sectional v1ew, broken away, on line V-V, Fig. 2,with the valve plug shifted to a different position to that shown inFig. 5.

Referring to the drawings in detail, which illustrate a valve set up tocontrol a pair of elements, 1 denotes a casing formed with a. taperingchamber 2, in which is mounted a tapering valve plug 3.

One side of the casing 1, has an enlargement 4, which is formed with apair of angle-shaped passages 5, 6, the former leading to one and thelatter to the other element (not shown), to be controlled. The passages5, 6, each constitutes a combined inlet and exhaust passage for theelement with which it associates. lVhen supplying controlling fluidthrough the passage 5 for one element, the controlling fluid which hasbeen supplied to the other element is exhausted through the passage 6,or vice versa.

The other side of the casing 1, is formed with an enlargement 7,provided with an angle-shaped passage 8, leading from a controllingfluid .supply (not shown), and the said passage 8 forms a fluid inletfor the casing 1 and is common for the supplying of the fluid to bothelements which are to be controlled. The said enlargement 7 isfurthermore formed with an angle-shaped passage 9, independent of andextending in an opposite direction with respect to the passage 8, andthe said passage 9 constitutes a fluid outlet for the casing 1 and iscommon for the exhausting of the fluid from both of the elements whichare, to be controlled.

The body of the casing 1, near one end, is formed with an arcuatechannel 10, concentric with the easing, into which the passage 8 opens.The channel 10 at one end communicates with the chamber 2 by a port 11,and at its other end also communicates with the chamber 2, by a port 12.

The body of the casing 1', near the other end thereof, is formed with anarcuate channel 13, concentric with the casing, which communicates atone end with the chamber 2 by a port 14, and at its other end alsocommunicates with the chamber 2 by a port 15, and into which the pasage9 opens.

The channels 10 and 13 are positioned at that side of the casing withwhich the enlargement 7 is formed integral.

' The body of the casing l is formed with a longitudinal duct 16, whichopens, through the medium of the port 17, into the chamher 2. Said duct16 opens into the pas- .largement 4 is formed integral.

sage 5 as at 18. The duct 16 is formed in that side of the casing 1 withwhich the en- The body of the casing 1 is provided with a longitudinallyextending duct 19, which is arranged on the same side of the casing asduct 16 but at the Opposite side of enlargement 4 and communicates withthe chamber 2, by a port 20, and also communicates with the chamber 2 bya' port '21. The duct 19, opens into the arcuate channel 23, concentricwith the easing, which communicates with the passage 6.

The valve plug 3, at its larger end, is provided with a port 24 and nearits smaller end with a port 25. hen the valve plug 3 is shifted so as tocause a supply to the passage 6, the port 24 registers with the ports12, 21, when-shiftedto cause a supply to the passage 5, the port 24registers with the ports 11, 17. When shifted to cause exhaust from thepassage 6 the port 25 registers with the ports 15, 20, and when shiftedto exhaust from the passage 5 the port 25 registers with the ports 14,28.

The casing 1 is provided with a threaded end 29, with which engages aflange cap 30, the latter having an opening 31, for the passage of thestem of the plug 3. A packing element 33 surrounds the stem 32 andengages in the cap 30. The stem 32 has a squared end 34 so any suitablemeans can be connected therewith for operating the plug.

The lower end of the plug 3 is reduced, as at 35. and surrounding saidreduced portion. is a washer 36, which bears against the'end of thecasing 1. The reference character 37 denotes a peripherally threadedcollar, which is formed integral with the casing 1, projectingtherefrom. and providing a pocket 38, with the wall thereof surroundingthe washer 36. Formed integral with the reduced portion 35 is a threadedstem 39, having mounted thereon a retaining nut 40,

' the latter abutting against the Washer 36.

The reference character 41*denotes a. cap having threaded engagementwith the collar 37 for inclosing the 'stem 39, nut 40, and washer 36.The wallof the chamber 2 has a series of annular grooves 42, for thereception of a lubricant, to facilitate the movement of the plug 3. Thegrooves 42 are spaced equi distant from each other and said rooves 42are connected together by longituc inally extending grooves 43, wherebywhen a lubricant is fed to. the intermediate groove 42 it will besupplied to the outer grooves 42. The body portion of the casing 1 hasan inlet port 44' for feeding the lubricant to the intermediate groove42 and said body portion 41 is furthermore provided with a threadednipple 45, which communicates with theport 44, and is adapted to have alubricant supplying means connected therewith.

The enlargement 4 is formed with an arm 46, so that a dial can beattached thereto, to

control the throw of the valve plug.

\Vhen supplying a controlling fluid to the passage 5, the travel is,through inlet 8, channel 10, port 11, port 24, duct 16, to passage 5.When supplying a controlling fluid to passage 6, the travel is, inlet 8,channel 10, port 24, channel 23, to passage 6. When exhausting thecontrolling fluid from passage 5, the travel is, port 28, port 25, port14, channel 13, exhaust 9. \Vhen exhausting controlling fluid frompassage 6, the travel is, channel 23, duct 19, port 20, port 25, port15, channel 13, exhaust 9.

Vhat I claim is 7 1. A controlling valve comprising a casing forming aplug chamber and having a pair of combired supply and exhaust passageseach leading to an element to be controlled, said casing furtherincluding a fluid inlet and a fluid outlet each common to said passagesand each communicating with said chamber at two points, a valve plugoperable in said. casing and having a pair of spaced pcrts one forcontrolling supply to said passages and the other for controllingexhaust from said passages, a supply duct leading trcm said chamber toone of said passages and controlled by saidplug and an exhaust ductleading from the other of said passages to said chamber and controlledby said plug.

2. A controlling valve comprising a casing tormin a plug chamber andhaving a pair of com ined supply and exhaust passages each leading to anelement to be controlled, said casing further including a fluid inletand a fluid outlet each common to said passages and each communicatingwith said chamber at two points, a valve plug operable in said casingand having a pair of spaced ports one for controlling supply to saidpassages and the other for controlling exhaust from said passages, asupply duct leading from said chamber to one of said passages andcontrolled by said plug and an exhaust duct leading from the other ofsaid passages to said chamber and'controlled by said plug, said ports insaid plug disposed at an angle with respect to each'other.

3. A. controlling valve comprising a casing forming a. plug chamber andhaving a pair of combined supply and exhaust passages each leading to anelement to be controlled. said casirg further provided at each end witha concentric channel open at two points into said chamber and furtherprovided with a fluid inlet and a fluid outlet, one communicating withone of said channels and the other with the other of said channels,-said inlet common to both passages, and said outlet common to bothpassages, a valve plug operable in said casing and having a pair ofspaced ports, one for controlling supply to said passages and the otherfor controlling exhaust from said pasnaaaeoa sages, a supply ductleading from said chamber to one of said passages and controlled by saidplug, and an exhaust duct leading from the other of said passages tosaid chamber and controlled by said plug.

4:. A controlling valve comprising a casing forming a plug chamber andhaving a pa1r of combined supply and exhaust passages each leading to anelement to be controlled, said casing further provided at each end witha concentric channel open at two points into said chamber and furtherprovided with a fluid inlet and a fluid outlet, one communicating withone of said channels and the other with the other of said channels, saidinlet common to both passages, and said outlet common to both passages,a valve plug operable in said casing and having a pair of spaced portsone for controlling supply to said passages and the other forcontrolling exhaust from said passages, a supply duct leading from saidchamher to one of said passages and controlled by said plug, and anexhaust duct leading from the other of said passages to said chamber andcontrolled by said plug, said ports in said valve disposed at an anglewith respect to each other.

5. A controlling valve comprising a casing forming a plug chamber andhaving a pair of combined supply and exhaust passages each leading to anelement to be controlled, a longitudinally extending supply duct leadingfrom said chamber to one of said passages, a longitudinally ektendingexhaust duct leading from the other of said passages to said chamber, avalve plug op erable in said casing and having a pair of ports forcontrolling said ducts, said casing having means to provide a fluidinlet opening into said chamber at two points and controlled by saidplug, and said casing further having means to provide a fluid outletcommunicating with said chamber at two points and controlled by saidplug, said inlet common to both passages and said outlet common to bothpassages.

6. A controlling valve comprising a casing forming a plug chgmber andhaving a pa1r of combined supply and exhaust passages each leading to anelement to be controlled, a longitudinally extending supply duct leadingfrom said chamber to one of said passages, a longitudinally extendingexhaust duct leading from the other of said passages to said chamber, avalve plug operable in said casing and having a pa1r of ports forcontrolling said ducts, said casing having means to provide a fluidinlet opening into said chamber at two points, and controlled by saidplug, and said casing further having means to provide a fluid outletcommunicating with said chamber at two points and controlled by saidplug, said inlet common to both passages and said outlet common to bothpassages, ports in said plug digposed at an angle with respect to eachot er.

7. A controlling valve comprising a cas-' ing forming a plug chamber andhaving a pa1r of combined supply and exhaust passages each leading to anelement to be controlled, a longitudinally extending supply duct leadingfrom said chamber to one of said passages, a longitudinally extendingexhaust duct leading from the other of said passages to said chamber, avalve plug operable in said casing and having a pair of ports forcontrolling said ducts, said casing provided near each end with aconcentric channel opening into said chamber at two points andcontrolled by said plug, means to provide a fluid inlet communicatingwith one of said channels, and means to provide a fluid outletcommunicating with the other of said channels, said inlet common to bothpassages and said outlet common to both passages.

8. A controlling valve comprising a casin forming a plug chamber andhaving a pair of combined supply and exhaust passages each leading to anelement to be controlled, a longitudinally extending supply duct leadingfrom said chamber to one of said passages, a longitudinally extendingexhaust duct leading from the other of said passages to said chamber, avalve plug operable in said casing and having a pa1r of ports forcontrolling said ducts, said casing provided near each end with aconcentric channel opening into said chamber at two points andcontrolled by said lug, means to provide a fluid inlet communicatingwith 4

